Dual signal amplification of horseradish peroxidase functionalized nanocomposite as trace label for the electrochemical detection of carcinoembryonic antigen

2014 ◽  
Vol 127 ◽  
pp. 334-341 ◽  
Author(s):  
Dexiang Feng ◽  
Lihua Li ◽  
Xian Fang ◽  
Xiaowei Han ◽  
Yuzhong Zhang
Keyword(s):  
Horseradish Peroxidase ◽  
Carcinoembryonic Antigen ◽  
Electrochemical Detection ◽  
Signal Amplification ◽  
Dual Signal Amplification

Dual-signal amplified electrochemiluminescence immunoassay for salbutamol based on quantum dots and gold nanoparticle-labeled horseradish peroxidase

The Analyst ◽  
2015 ◽  
Vol 140 (17) ◽  
pp. 5885-5890 ◽  
Author(s):  
Fudong Cai ◽  
Nan Wang ◽  
Tiantian Dong ◽  
Anping Deng ◽  
Jianguo Li
Keyword(s):  
Quantum Dots ◽  
Horseradish Peroxidase ◽  
Gold Nanoparticle ◽  
Signal Amplification ◽  
Detection Range ◽  
Electrochemiluminescence Immunoassay ◽  
Dual Signal Amplification ◽  
Higher Sensitivity

Dual-signal amplification was achieved by the employment of HRP and AuNPs, and led to a higher sensitivity and wider detection range.

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